55094-97-8Relevant articles and documents
Synthesis of (S)-3-hydroxytetrahydropyran from L-glutamic acid
Geng, Yang,Zheng, Maolin,Li, Jingya,Zou, Dapeng,Wu, Yusheng,Wu, Yangjie
, p. 3966 - 3969 (2017)
A concise synthesis of (S)-3-hydroxytetrahydropyran from natural L-glutamic acid has been developed. The intramolecular etherification starting from 1,5-diol was promoted by trifluoromethanesulfonic anhydride. The clinnamates of the alcohols were prepared
GADOLINIUM BEARING PCTA-BASED CONTRAST AGENTS
-
Page/Page column 33, (2020/03/02)
The present invention relates to the RRR/SSS pair of enantiomers of the of Gd(PCTA-tris-glutamic acid), the single enantiomers of the pair, the pharmaceutically acceptable salts thereof, their amide derivatives, and compositions comprising at least 50% of these compounds.
3-benzyloxy-tetrahydropyrane, preparation method thereof and preparation method of single-configured tetrahydropyrane-3-cyclitol
-
Paragraph 0046; 0047; 0048; 0049, (2017/10/27)
The invention relates to 3-benzyloxy-tetrahydropyrane, a preparation method thereof and a preparation method of single-configured tetrahydropyrane-3-cyclitol, and belongs to the technical field of medicines. The 3-benzyloxy-tetrahydropyrane has a structur